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Uploaded on Dec 12, 2011
A diverse team of scientists, engineers, and students at the Center for Industrial and Medical Ultrasound developed an ultrasound-based system that may provide an office procedure to speed the natural passage of kidney stones, doing so without exposing patients to X-ray diagnoses and lowering the incidence of potential injury from extracorporeal shockwave lithotripsy and other surgeries.
The system uses commercial ultrasound components to locate stones in kidneys. It creates clear pictures of them and then applies an acoustic radiative force, repositioning stones in the kidney so they are more likely to pass naturally. Ultrasonic propulsion may be used to remove small stone fragments after lithotripsy surgery or to diagnose and speed the removal of small stones before they become symptomatic.